It's a type of compact bag having a large towel in it that when doing outdoor activities such as golf, climbing, fishing and so on, you can wear it on your waist or bag. You can also take the hook out and use it for other purposes.Seamless towel clips into and detaches from a handy, nylon net pouch for convenient stronge. The pouch has aluminium carabiner clip to attach to strollers, backpacks, golf, bags, belt loops-perfect for outdoor activities, sports & more. Towel is made of MicroMaid ultrafine microfiber. Suitable for fine optics.